| Giannis Ioannou | |
| Fullname: | Ioannis Ioannou |
| Birth Date: | 9 April 1984 |
| Birth Place: | Antikyra, Greece |
| Position: | Defender |
| Years1: | 2001–2003 |
| Clubs1: | Panachaiki |
| Caps1: | 14 |
| Goals1: | 0 |
| Years2: | 2004–2006 |
| Caps2: | 39 |
| Goals2: | 0 |
| Years3: | 2006 |
| Clubs3: | Achaiki |
| Caps3: | 11 |
| Goals3: | 0 |
| Years4: | 2006–2008 |
| Clubs4: | Fokikos |
| Caps4: | 0 |
| Goals4: | 0 |
| Years5: | 2008–2009 |
| Clubs5: | Chaidari |
| Caps5: | 32 |
| Goals5: | 0 |
| Years6: | 2009–2011 |
| Clubs6: | Vyzas |
| Caps6: | 45 |
| Goals6: | 1 |
| Years7: | 2011–2012 |
| Clubs7: | Panachaiki |
| Caps7: | 34 |
| Goals7: | 0 |
| Years8: | 2012–2013 |
| Clubs8: | Panetolikos |
| Caps8: | 34 |
| Goals8: | 0 |
| Years9: | 2013–2016 |
| Clubs9: | Panegialios |
| Caps9: | 68 |
| Goals9: | 4 |
| Years10: | 2016–2019 |
| Clubs10: | Kerkyra |
| Caps10: | 72 |
| Goals10: | 1 |
| Years11: | 2019–2020 |
| Clubs11: | Ionikos |
| Caps11: | 22 |
| Goals11: | 0 |
| Pcupdate: | 20:56, 25 June 2020 (UTC) |
Giannis Ioannou (Greek, Modern (1453-);: Γιάννης Ιωάννου; born 9 April 1984) is a Greek professional footballer who plays as a defender.
Ioannou has spent most of his career playing for Panachaiki.
He signed with Panetolikos in the summer of 2012 and helped the team gain promotion to the 2013–2014 Greek Superleague. As his contract was not renewed, he signed with Panegialios in the summer of 2013.